asked on

How do I get the contents of a textarea and pass them via href?

How do I get the contents of a textarea and pass them via href? I am using this code but it is not passing the contents with the href.

<script language="javascript" type="text/javascript">
function subcatid() {
 var productDescription=document.getElementById("productDescription").value;
}
 window.location.href = ( 'manage_products.php?productDescription='+productDescription);
</script>
<html>
<body>
  <div style="position:absolute; left: 5px; top: 98px;"> Description: </div><textarea name="productDescription" id="productDescription"></textarea>
 
 <input class="formButton" name="submit" type="button" value="Add" onclick="subcatid()" />
</body>
</html>

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ASKER CERTIFIED SOLUTION

hernst42

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brianbish

ASKER

O.K. that works with a textarea, I am using TinyMce as an textbox editor, so when I include the editor the above code no longer works, I don't know why, it shouldn't change the textarea code, but how would I so the same thing while using TinyMce?

include("tiny_mce.php"); 
<script language="javascript" type="text/javascript">
function subcatid() {
 var productDescription=document.getElementById("productDescription").value;
}
 window.location.href = ( 'manage_products.php?productDescription='+productDescription);
</script>
<html>
<body>
  <div style="position:absolute; left: 5px; top: 98px;"> Description: </div><textarea name="productDescription" id="productDescription"></textarea>
 
 <input class="formButton" name="submit" type="button" value="Add" onclick="subcatid()" />
</body>
</html>

Open in new window

Michel Plungjan

tinyMCE.getContent();

as in

function subcatid() {
 var productDescription=tinyMCE.getContent();
 window.location = 'manage_products.php?productDescription='+encodeURIComponent(productDescription)
}

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brianbish

ASKER

O.K. I tried the var productDescription=tinyMCE.getContent(); but get the error : Object doesn't support this property or method.. Is there something I need to add in my TinyMce file?

<script language="javascript" type="text/javascript" src="tiny_mce/tiny_mce.js"></script>
<script language="javascript" type="text/javascript">
tinyMCE.init({
	mode : "textareas",
			theme : "advanced",
theme_advanced_disable : "image,advimage,advimage",
		plugins : "spellchecker,style,table,advhr,advlink,iespell,insertdatetime,preview,media,searchreplace,print,contextmenu,paste,noneditable,visualchars,nonbreaking,xhtmlxtras,ibrowser",
		theme_advanced_buttons1_add_before : "",
		theme_advanced_buttons1_add : "fontselect,fontsizeselect",
		theme_advanced_buttons2_add : "separator,insertdate,inserttime,separator,forecolor,backcolor",
		theme_advanced_buttons2_add_before: "cut,copy,paste,pastetext,pasteword,separator,search,replace,separator",
		theme_advanced_buttons3_add_before : "tablecontrols,separator",
		theme_advanced_buttons3_add : "iespell,media,advhr,separator,print,separator",
		theme_advanced_buttons4 : "styleprops,spellchecker,ibrowser",
		theme_advanced_toolbar_location : "top",
	    plugin_insertdate_dateFormat : "%Y-%m-%d",
	    plugin_insertdate_timeFormat : "%H:%M:%S",
		extended_valid_elements : "hr[class|width|size|noshade],font[face|size|color|style],span[class|align|style],p[lang]",
		apply_source_formatting : true,
		spellchecker_languages : "+English=en",
		content_css : "tinymce_style.css",
 
	remove_script_host : "true",
	relative_urls : "true",
	force_p_newlines: "false",
	force_br_newlines: "true",
 
 
valid_elements : ""
+"a[accesskey|charset|class|coords|dir<ltr?rtl|href|hreflang|id|lang|name"
  +"|onblur|onclick|ondblclick|onfocus|onkeydown|onkeypress|onkeyup"
  +"|onmousedown|onmousemove|onmouseout|onmouseover|onmouseup|rel|rev"
  +"|shape<circle?default?poly?rect|style|tabindex|title|target|type],"
+"abbr[class|dir<ltr?rtl|id|lang|onclick|ondblclick|onkeydown|onkeypress"
  +"|onkeyup|onmousedown|onmousemove|onmouseout|onmouseover|onmouseup|style"
  +"|title],"
+"acronym[class|dir<ltr?rtl|id|id|lang|onclick|ondblclick|onkeydown|onkeypress"
  +"|onkeyup|onmousedown|onmousemove|onmouseout|onmouseover|onmouseup|style"
  +"|title],"
+"address[class|align|dir<ltr?rtl|id|lang|onclick|ondblclick|onkeydown"
  +"|onkeypress|onkeyup|onmousedown|onmousemove|onmouseout|onmouseover"
  +"|onmouseup|style|title],"
+"applet[align<bottom?left?middle?right?top|alt|archive|class|code|codebase"
  +"|height|hspace|id|name|object|style|title|vspace|width],"
+"area[accesskey|alt|class|coords|dir<ltr?rtl|href|id|lang|nohref<nohref"
  +"|onblur|onclick|ondblclick|onfocus|onkeydown|onkeypress|onkeyup"
  +"|onmousedown|onmousemove|onmouseout|onmouseover|onmouseup"
  +"|shape<circle?default?poly?rect|style|tabindex|title|target],"
+"base[href|target],"
+"basefont[color|face|id|size],"
+"bdo[class|dir<ltr?rtl|id|lang|style|title],"
+"big[class|dir<ltr?rtl|id|lang|onclick|ondblclick|onkeydown|onkeypress"
  +"|onkeyup|onmousedown|onmousemove|onmouseout|onmouseover|onmouseup|style"
  +"|title],"
+"blockquote[dir|style|cite|class|dir<ltr?rtl|id|lang|onclick|ondblclick"
  +"|onkeydown|onkeypress|onkeyup|onmousedown|onmousemove|onmouseout"
  +"|onmouseover|onmouseup|style|title],"
+"body[alink|background|bgcolor|class|dir<ltr?rtl|id|lang|link|onclick"
  +"|ondblclick|onkeydown|onkeypress|onkeyup|onload|onmousedown|onmousemove"
  +"|onmouseout|onmouseover|onmouseup|onunload|style|title|text|vlink],"
+"br[class|clear<all?left?none?right|id|style|title],"
+"button[accesskey|class|dir<ltr?rtl|disabled<disabled|id|lang|name|onblur"
  +"|onclick|ondblclick|onfocus|onkeydown|onkeypress|onkeyup|onmousedown"
  +"|onmousemove|onmouseout|onmouseover|onmouseup|style|tabindex|title|type"
  +"|value],"
+"caption[align<bottom?left?right?top|class|dir<ltr?rtl|id|lang|onclick"
  +"|ondblclick|onkeydown|onkeypress|onkeyup|onmousedown|onmousemove"
  +"|onmouseout|onmouseover|onmouseup|style|title],"
+"center[class|dir<ltr?rtl|id|lang|onclick|ondblclick|onkeydown|onkeypress"
  +"|onkeyup|onmousedown|onmousemove|onmouseout|onmouseover|onmouseup|style"
  +"|title],"
+"cite[class|dir<ltr?rtl|id|lang|onclick|ondblclick|onkeydown|onkeypress"
  +"|onkeyup|onmousedown|onmousemove|onmouseout|onmouseover|onmouseup|style"
  +"|title],"
+"code[class|dir<ltr?rtl|id|lang|onclick|ondblclick|onkeydown|onkeypress"
  +"|onkeyup|onmousedown|onmousemove|onmouseout|onmouseover|onmouseup|style"
  +"|title],"
+"col[align<center?char?justify?left?right|char|charoff|class|dir<ltr?rtl|id"
  +"|lang|onclick|ondblclick|onkeydown|onkeypress|onkeyup|onmousedown"
  +"|onmousemove|onmouseout|onmouseover|onmouseup|span|style|title"
  +"|valign<baseline?bottom?middle?top|width],"
+"colgroup[align<center?char?justify?left?right|char|charoff|class|dir<ltr?rtl"
  +"|id|lang|onclick|ondblclick|onkeydown|onkeypress|onkeyup|onmousedown"
  +"|onmousemove|onmouseout|onmouseover|onmouseup|span|style|title"
  +"|valign<baseline?bottom?middle?top|width],"
+"dd[class|dir<ltr?rtl|id|lang|onclick|ondblclick|onkeydown|onkeypress|onkeyup"
  +"|onmousedown|onmousemove|onmouseout|onmouseover|onmouseup|style|title],"
+"del[cite|class|datetime|dir<ltr?rtl|id|lang|onclick|ondblclick|onkeydown"
  +"|onkeypress|onkeyup|onmousedown|onmousemove|onmouseout|onmouseover"
  +"|onmouseup|style|title],"
+"dfn[class|dir<ltr?rtl|id|lang|onclick|ondblclick|onkeydown|onkeypress"
  +"|onkeyup|onmousedown|onmousemove|onmouseout|onmouseover|onmouseup|style"
  +"|title],"
+"dir[class|compact<compact|dir<ltr?rtl|id|lang|onclick|ondblclick|onkeydown"
  +"|onkeypress|onkeyup|onmousedown|onmousemove|onmouseout|onmouseover"
  +"|onmouseup|style|title],"
+"div[align<center?justify?left?right|class|dir<ltr?rtl|id|lang|onclick"
  +"|ondblclick|onkeydown|onkeypress|onkeyup|onmousedown|onmousemove"
  +"|onmouseout|onmouseover|onmouseup|style|title],"
+"dl[class|compact<compact|dir<ltr?rtl|id|lang|onclick|ondblclick|onkeydown"
  +"|onkeypress|onkeyup|onmousedown|onmousemove|onmouseout|onmouseover"
  +"|onmouseup|style|title],"
+"dt[class|dir<ltr?rtl|id|lang|onclick|ondblclick|onkeydown|onkeypress|onkeyup"
  +"|onmousedown|onmousemove|onmouseout|onmouseover|onmouseup|style|title],"
+"em/i[class|dir<ltr?rtl|id|lang|onclick|ondblclick|onkeydown|onkeypress"
  +"|onkeyup|onmousedown|onmousemove|onmouseout|onmouseover|onmouseup|style"
  +"|title],"
+"fieldset[class|dir<ltr?rtl|id|lang|onclick|ondblclick|onkeydown|onkeypress"
  +"|onkeyup|onmousedown|onmousemove|onmouseout|onmouseover|onmouseup|style"
  +"|title],"
+"font[class|color|dir<ltr?rtl|face|id|lang|size|style|title],"
+"form[accept|accept-charset|action|class|dir<ltr?rtl|enctype|id|lang"
  +"|method<get?post|name|onclick|ondblclick|onkeydown|onkeypress|onkeyup"
  +"|onmousedown|onmousemove|onmouseout|onmouseover|onmouseup|onreset|onsubmit"
  +"|style|title|target],"
+"frame[class|frameborder|id|longdesc|marginheight|marginwidth|name"
  +"|noresize<noresize|scrolling<auto?no?yes|src|style|title],"
+"frameset[class|cols|id|onload|onunload|rows|style|title],"
+"h1[align<center?justify?left?right|class|dir<ltr?rtl|id|lang|onclick"
  +"|ondblclick|onkeydown|onkeypress|onkeyup|onmousedown|onmousemove"
  +"|onmouseout|onmouseover|onmouseup|style|title],"
+"h2[align<center?justify?left?right|class|dir<ltr?rtl|id|lang|onclick"
  +"|ondblclick|onkeydown|onkeypress|onkeyup|onmousedown|onmousemove"
  +"|onmouseout|onmouseover|onmouseup|style|title],"
+"h3[align<center?justify?left?right|class|dir<ltr?rtl|id|lang|onclick"
  +"|ondblclick|onkeydown|onkeypress|onkeyup|onmousedown|onmousemove"
  +"|onmouseout|onmouseover|onmouseup|style|title],"
+"h4[align<center?justify?left?right|class|dir<ltr?rtl|id|lang|onclick"
  +"|ondblclick|onkeydown|onkeypress|onkeyup|onmousedown|onmousemove"
  +"|onmouseout|onmouseover|onmouseup|style|title],"
+"h5[align<center?justify?left?right|class|dir<ltr?rtl|id|lang|onclick"
  +"|ondblclick|onkeydown|onkeypress|onkeyup|onmousedown|onmousemove"
  +"|onmouseout|onmouseover|onmouseup|style|title],"
+"h6[align<center?justify?left?right|class|dir<ltr?rtl|id|lang|onclick"
  +"|ondblclick|onkeydown|onkeypress|onkeyup|onmousedown|onmousemove"
  +"|onmouseout|onmouseover|onmouseup|style|title],"
+"head[dir<ltr?rtl|lang|profile],"
+"hr[align<center?left?right|class|dir<ltr?rtl|id|lang|noshade<noshade|onclick"
  +"|ondblclick|onkeydown|onkeypress|onkeyup|onmousedown|onmousemove"
  +"|onmouseout|onmouseover|onmouseup|size|style|title|width],"
+"html[dir<ltr?rtl|lang|version],"
+"iframe[align<bottom?left?middle?right?top|class|frameborder|height|id"
  +"|longdesc|marginheight|marginwidth|name|scrolling<auto?no?yes|src|style"
  +"|title|width],"
+"img[align<bottom?left?middle?right?top|alt|border|class|dir<ltr?rtl|height"
  +"|hspace|id|ismap<ismap|lang|longdesc|name|onclick|ondblclick|onkeydown"
  +"|onkeypress|onkeyup|onmousedown|onmousemove|onmouseout|onmouseover"
  +"|onmouseup|src|style|title|usemap|vspace|width],"
+"input[accept|accesskey|align<bottom?left?middle?right?top|alt"
  +"|checked<checked|class|dir<ltr?rtl|disabled<disabled|id|ismap<ismap|lang"
  +"|maxlength|name|onblur|onclick|ondblclick|onfocus|onkeydown|onkeypress"
  +"|onkeyup|onmousedown|onmousemove|onmouseout|onmouseover|onmouseup|onselect"
  +"|readonly<readonly|size|src|style|tabindex|title"
  +"|type<button?checkbox?file?hidden?image?password?radio?reset?submit?text"
  +"|usemap|value],"
+"ins[cite|class|datetime|dir<ltr?rtl|id|lang|onclick|ondblclick|onkeydown"
  +"|onkeypress|onkeyup|onmousedown|onmousemove|onmouseout|onmouseover"
  +"|onmouseup|style|title],"
+"isindex[class|dir<ltr?rtl|id|lang|prompt|style|title],"
+"kbd[class|dir<ltr?rtl|id|lang|onclick|ondblclick|onkeydown|onkeypress"
  +"|onkeyup|onmousedown|onmousemove|onmouseout|onmouseover|onmouseup|style"
  +"|title],"
+"label[accesskey|class|dir<ltr?rtl|for|id|lang|onblur|onclick|ondblclick"
  +"|onfocus|onkeydown|onkeypress|onkeyup|onmousedown|onmousemove|onmouseout"
  +"|onmouseover|onmouseup|style|title],"
+"legend[align<bottom?left?right?top|accesskey|class|dir<ltr?rtl|id|lang"
  +"|onclick|ondblclick|onkeydown|onkeypress|onkeyup|onmousedown|onmousemove"
  +"|onmouseout|onmouseover|onmouseup|style|title],"
+"li[class|dir<ltr?rtl|id|lang|onclick|ondblclick|onkeydown|onkeypress|onkeyup"
  +"|onmousedown|onmousemove|onmouseout|onmouseover|onmouseup|style|title|type"
  +"|value],"
+"link[charset|class|dir<ltr?rtl|href|hreflang|id|lang|media|onclick"
  +"|ondblclick|onkeydown|onkeypress|onkeyup|onmousedown|onmousemove"
  +"|onmouseout|onmouseover|onmouseup|rel|rev|style|title|target|type],"
+"map[class|dir<ltr?rtl|id|lang|name|onclick|ondblclick|onkeydown|onkeypress"
  +"|onkeyup|onmousedown|onmousemove|onmouseout|onmouseover|onmouseup|style"
  +"|title],"
+"menu[class|compact<compact|dir<ltr?rtl|id|lang|onclick|ondblclick|onkeydown"
  +"|onkeypress|onkeyup|onmousedown|onmousemove|onmouseout|onmouseover"
  +"|onmouseup|style|title],"
+"meta[content|dir<ltr?rtl|http-equiv|lang|name|scheme],"
+"noframes[class|dir<ltr?rtl|id|lang|onclick|ondblclick|onkeydown|onkeypress"
  +"|onkeyup|onmousedown|onmousemove|onmouseout|onmouseover|onmouseup|style"
  +"|title],"
+"noscript[class|dir<ltr?rtl|id|lang|style|title],"
+"object[align<bottom?left?middle?right?top|archive|border|class|classid"
  +"|codebase|codetype|data|declare|dir<ltr?rtl|height|hspace|id|lang|name"
  +"|onclick|ondblclick|onkeydown|onkeypress|onkeyup|onmousedown|onmousemove"
  +"|onmouseout|onmouseover|onmouseup|standby|style|tabindex|title|type|usemap"
  +"|vspace|width],"
+"ol[class|compact<compact|dir<ltr?rtl|id|lang|onclick|ondblclick|onkeydown"
  +"|onkeypress|onkeyup|onmousedown|onmousemove|onmouseout|onmouseover"
  +"|onmouseup|start|style|title|type],"
+"optgroup[class|dir<ltr?rtl|disabled<disabled|id|label|lang|onclick"
  +"|ondblclick|onkeydown|onkeypress|onkeyup|onmousedown|onmousemove"
  +"|onmouseout|onmouseover|onmouseup|style|title],"
+"option[class|dir<ltr?rtl|disabled<disabled|id|label|lang|onclick|ondblclick"
  +"|onkeydown|onkeypress|onkeyup|onmousedown|onmousemove|onmouseout"
  +"|onmouseover|onmouseup|selected<selected|style|title|value],"
+"param[id|name|type|value|valuetype<DATA?OBJECT?REF],"
+"pre/listing/plaintext/xmp[align|class|dir<ltr?rtl|id|lang|onclick|ondblclick"
  +"|onkeydown|onkeypress|onkeyup|onmousedown|onmousemove|onmouseout"
  +"|onmouseover|onmouseup|style|title|width],"
+"q[cite|class|dir<ltr?rtl|id|lang|onclick|ondblclick|onkeydown|onkeypress"
  +"|onkeyup|onmousedown|onmousemove|onmouseout|onmouseover|onmouseup|style"
  +"|title],"
+"s[class|dir<ltr?rtl|id|lang|onclick|ondblclick|onkeydown|onkeypress|onkeyup"
  +"|onmousedown|onmousemove|onmouseout|onmouseover|onmouseup|style|title],"
+"samp[class|dir<ltr?rtl|id|lang|onclick|ondblclick|onkeydown|onkeypress"
  +"|onkeyup|onmousedown|onmousemove|onmouseout|onmouseover|onmouseup|style"
  +"|title],"
+"script[charset|defer|language|src|type],"
+"select[class|dir<ltr?rtl|disabled<disabled|id|lang|multiple<multiple|name"
  +"|onblur|onchange|onclick|ondblclick|onfocus|onkeydown|onkeypress|onkeyup"
  +"|onmousedown|onmousemove|onmouseout|onmouseover|onmouseup|size|style"
  +"|tabindex|title],"
+"small[class|dir<ltr?rtl|id|lang|onclick|ondblclick|onkeydown|onkeypress"
  +"|onkeyup|onmousedown|onmousemove|onmouseout|onmouseover|onmouseup|style"
  +"|title],"
+"span[align<center?justify?left?right|class|dir<ltr?rtl|id|lang|onclick|ondblclick|onkeydown"
  +"|onkeypress|onkeyup|onmousedown|onmousemove|onmouseout|onmouseover"
  +"|onmouseup|style|title],"
+"strike[class|class|dir<ltr?rtl|id|lang|onclick|ondblclick|onkeydown"
  +"|onkeypress|onkeyup|onmousedown|onmousemove|onmouseout|onmouseover"
  +"|onmouseup|style|title],"
+"strong/b[class|dir<ltr?rtl|id|lang|onclick|ondblclick|onkeydown|onkeypress"
  +"|onkeyup|onmousedown|onmousemove|onmouseout|onmouseover|onmouseup|style"
  +"|title],"
+"style[dir<ltr?rtl|lang|media|title|type],"
+"sub[class|dir<ltr?rtl|id|lang|onclick|ondblclick|onkeydown|onkeypress"
  +"|onkeyup|onmousedown|onmousemove|onmouseout|onmouseover|onmouseup|style"
  +"|title],"
+"sup[class|dir<ltr?rtl|id|lang|onclick|ondblclick|onkeydown|onkeypress"
  +"|onkeyup|onmousedown|onmousemove|onmouseout|onmouseover|onmouseup|style"
  +"|title],"
+"table[align<center?left?right|bgcolor|border|cellpadding|cellspacing|class"
  +"|dir<ltr?rtl|frame|height|id|lang|onclick|ondblclick|onkeydown|onkeypress"
  +"|onkeyup|onmousedown|onmousemove|onmouseout|onmouseover|onmouseup|rules"
  +"|style|summary|title|width],"
+"tbody[align<center?char?justify?left?right|char|class|charoff|dir<ltr?rtl|id"
  +"|lang|onclick|ondblclick|onkeydown|onkeypress|onkeyup|onmousedown"
  +"|onmousemove|onmouseout|onmouseover|onmouseup|style|title"
  +"|valign<baseline?bottom?middle?top],"
+"td[abbr|align<center?char?justify?left?right|axis|bgcolor|char|charoff|class"
  +"|colspan|dir<ltr?rtl|headers|height|id|lang|nowrap<nowrap|onclick"
  +"|ondblclick|onkeydown|onkeypress|onkeyup|onmousedown|onmousemove"
  +"|onmouseout|onmouseover|onmouseup|rowspan|scope<col?colgroup?row?rowgroup"
  +"|style|title|valign<baseline?bottom?middle?top|width],"
+"textarea[accesskey|class|cols|dir<ltr?rtl|disabled<disabled|id|lang|name"
  +"|onblur|onclick|ondblclick|onfocus|onkeydown|onkeypress|onkeyup"
  +"|onmousedown|onmousemove|onmouseout|onmouseover|onmouseup|onselect"
  +"|readonly<readonly|rows|style|tabindex|title],"
+"tfoot[align<center?char?justify?left?right|char|charoff|class|dir<ltr?rtl|id"
  +"|lang|onclick|ondblclick|onkeydown|onkeypress|onkeyup|onmousedown"
  +"|onmousemove|onmouseout|onmouseover|onmouseup|style|title"
  +"|valign<baseline?bottom?middle?top],"
+"th[abbr|align<center?char?justify?left?right|axis|bgcolor|char|charoff|class"
  +"|colspan|dir<ltr?rtl|headers|height|id|lang|nowrap<nowrap|onclick"
  +"|ondblclick|onkeydown|onkeypress|onkeyup|onmousedown|onmousemove"
  +"|onmouseout|onmouseover|onmouseup|rowspan|scope<col?colgroup?row?rowgroup"
  +"|style|title|valign<baseline?bottom?middle?top|width],"
+"thead[align<center?char?justify?left?right|char|charoff|class|dir<ltr?rtl|id"
  +"|lang|onclick|ondblclick|onkeydown|onkeypress|onkeyup|onmousedown"
  +"|onmousemove|onmouseout|onmouseover|onmouseup|style|title"
  +"|valign<baseline?bottom?middle?top],"
+"title[dir<ltr?rtl|lang],"
+"tr[abbr|align<center?char?justify?left?right|bgcolor|char|charoff|class"
  +"|rowspan|dir<ltr?rtl|id|lang|onclick|ondblclick|onkeydown|onkeypress"
  +"|onkeyup|onmousedown|onmousemove|onmouseout|onmouseover|onmouseup|style"
  +"|title|valign<baseline?bottom?middle?top],"
+"tt[class|dir<ltr?rtl|id|lang|onclick|ondblclick|onkeydown|onkeypress|onkeyup"
  +"|onmousedown|onmousemove|onmouseout|onmouseover|onmouseup|style|title],"
+"u[class|dir<ltr?rtl|id|lang|onclick|ondblclick|onkeydown|onkeypress|onkeyup"
  +"|onmousedown|onmousemove|onmouseout|onmouseover|onmouseup|style|title],"
+"ul[class|compact<compact|dir<ltr?rtl|id|lang|onclick|ondblclick|onkeydown"
  +"|onkeypress|onkeyup|onmousedown|onmousemove|onmouseout|onmouseover"
  +"|onmouseup|style|title|type],"
+"var[class|dir<ltr?rtl|id|lang|onclick|ondblclick|onkeydown|onkeypress"
  +"|onkeyup|onmousedown|onmousemove|onmouseout|onmouseover|onmouseup|style"
  +"|title]"
//	});
});
</script>

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Michel Plungjan

Sorry, I was off line and was looking at an old post

http://wiki.moxiecode.com/index.php/TinyMCE:Functions#tinyMCE.getContent

tinyMCE.getContent is deprecated in 3.x. Use tinyMCE.activeEditor.getContent or tinyMCE.get('ed').getContent().

function subcatid() {
 var productDescription=tinyMCE.activeEditor.getContent();
 window.location = 'manage_products.php?productDescription='+encodeURIComponent(productDescription)
}

Open in new window